One of the riders who fell was in critical condition and the other was in stable condition, according to New Orleans EMS. Both were participating in the Krewe of Alla parade, officials said.

The most seriously injured rider fell off "the top" of a float as it passed by Lee Circle and was listed in critical condition, a spokesperson for New Orleans EMS told WDSU.

In a separate incident, a rider fell from the upper tier of another float ear the intersection of St. Charles Avenue and Harmony Street,. He was listed in stable condition, the spokesperson said.

Editor's Note: Earlier reports from EMS officials indicated that the second injured rider fell during the Krewe of King Arthur parade. An official with that organization told WDSU all riders were accounted for, and New Orleans EMS confirmed that it had issued the original information in error.

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